Refer to the exhibit.

Cisco 350-501 Question Answer

Refer to the exhibit. The network team must implement MPLS LDP session protection with two requirements:

Session protection is provided for core loopback IP addresses only.

The LDP session must remain operational for one hour when the WAN link on PE-XR1 fails.

Which configuration must the team implement on PE-XR1?

configure terminal

ipv4 access-list LDP-SESSION-PROTECTION

permit ipv4 172.31.255.0 0.0.0.255 any

mpls ldp

session protection for LDP-SESSION-PROTECTION duration 60

end

configure terminal

ipv4 access-list LDP-SESSION-PROTECTION

permit ipv4 172.31.255.0 0.0.0.255 any

mpls ldp

session protection for LDP-SESSION-PROTECTION duration 3600

end

configure terminal

ipv4 access-list LDP-SESSION-PROTECTION

permit ipv4 172.31.255.0 0.0.0.255 any

permit ipv4 10.0.0.0 0.0.255.255 any

mpls ldp

session protection for LDP-SESSION-PROTECTION duration 60

end

configure terminal

ipv4 access-list LDP-SESSION-PROTECTION

permit ipv4 172.31.255.0 0.0.0.255 any

permit ipv4 10.0.0.0 0.0.255.255 any

mpls ldp

session protection for LDP-SESSION-PROTECTION duration 3600

end

350-501 PDF/Engine

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